Movie Summary:Scrat's nutty pursuit of the cursed acorn has world-changing consequences, creating a cataclysm that sets the continents adrift. Using an iceberg as a ship, Manny, Sid, and Diego set off on a quest to find their home. Along the way, they are reunited with Sid's cantankerous Granny, and beset by a band of misfit pirates. Will they ever make it home?